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Cruise Ship Holidays{{/B}} Passengers on cruise ship holidays, as they are {{U}} (0) {{/U}} on TV programs and films, usually appear to be both rich and elderly. Such people do not, however, accurately represent the 6.8 million {{U}} (19) {{/U}} who took this kind of holiday last year. Over the last few years the world cruise industry has concentrated on {{U}} (20) {{/U}} to younger, less wealthy people, giving them a/an {{U}} (21) {{/U}} more like a floating disco than the traditional quiet holiday on a luxury ship. Even families with young children are no longer so A. advertising B. applying C. broadcasting D. loading [多选题]深圳迈瑞生产“丙氨酸氨基转移酶(ALT)测定试剂盒(IFCC法)”中R1主要组成成分为( )
A.Tris 缓冲液 B.L-丙氨酸 C.乳酸脱氢酶(LDH) D.烟酰胺腺嘌呤二核苷酸(NADH) [单选题]试样经预加热后,在规定的速率下冷却,每隔()℃检查一次试样的流动性。( )
A.1 B.2 C.3 D.4 [单选题]一批作业不超过( ),可用口头方式布置调车作业计划(中间站利用本务机车调车除外)。
A.一钩 B.二钩 C.三钩 D.四钩 [判断题] 气体混合爆炸的主要因素是温度、压力和着火源,而介质只是次要因素。
A.正确 B.错误 [简答题]简述矿石的有害成分。
[名词解释]选煤
[多选题]高速铁路的行车时刻,均以北京时间为标准,从( )起计算,实行( )小时制。
A.零时 B.十二时 C.24 D.12 [多项选择]对于核和放射突发污染事件中,应急人员的一般防护要求包括()
A. 进入现场前必须按要求穿戴个人防护用具 B. 完成救援任务后,可以在回家后进行全身淋浴、清洗消毒并更换干净衣服 C. 通过缓冲区进入污染区 D. 离开污染区时,不需要接受体表和衣服的污染监测 [单选题]一成人旅客怀抱2名婴儿,携带1.51米儿童一名,可免费携带随物品( )千克。
A.40 B.50 C.60 D.55 [多项选择]在方案图阶段,下面哪项是需要统筹考虑的。()
A. 小区物业管理用房 B. 物业员工生活用房 C. 配电箱房 D. 小区垃圾站 [单选题]如果地面2号发动机起动过程中出现供电中断,机组应该
A.继续正常起动 B.设置相应的ENG MASTER手柄至OFF来中断起动,并执行30s冷转 C.设置ENG MASTER手柄至OFF来中断起动,并考虑尝试交输供气起动1号发动机 我来回答: 提交
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